Concrete wall mold



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CO CRETE WALL. MOLD Filed Sept. 18, 194'? 5 Sheets-Sheet l n l .mi Emi,fwn..- j n.. 2 I( .AL W fm, fw

l Nov. 25, 1952 F FlORUzzl 2,618,834

CONCRETE WALL MOLD Filed Sept. 18, 1947 3 Sheets-Sheet 2 IN new 70Pf6/vcd F/QAPUZZ/ 6r Mij/M' Nov. 25, 1952 F. FloRuzzl vCONCRETE: WALLMOLD 3 Sheets-Sheet 3 Filed Sept. 18, 1947 zo C QM 5 Patented Nov. 25,1952 CONCRETE WALL MOLD Franco Fioruzzi, Milan, Italy ApplicationSeptember 18, 1947, Serial No. 774,805 In Italy September 21, 1946 4Claims. 1

The present invention concerns a system for erecting Walls for buildingconstruction made of concrete and like formable material. Theshutterings into which the concrete is poured or placed insucceivelayersare essentially constituted according to the invention byrelements which are adjustable. and detachable, so as to render thissystem of construction speedy and efficient without requiringspecialized labor and particular expensive devices According to theinvention, the aforesaid elements include panels, having two smoothworking faces, each one of which being used successively as the innersurface of the shuttering, bars being provided on which the panels arehinged, and further connecting means being employed to make up acontinuous rigid unit assembly with various elements, as well as withparticular members intended to ensure the quick and perfect obtainmentof the construction corners and the like:

The accompanying drawings illustrate diagrammatically, and by way ofexample, a form of embodiment of the invention:

Figs. 1 and 2 are respectively a front and a side view of one of thepanel elements employed for erecting the shutter structure.

Fig. 3 is an element which may be combined with the panel or panels toobtain an internal right angle corner for the upright Wall.

Fig. 4 is an element analogous to that of Fig. 3, but articulated inorder to allow formations 'of internal corners of any angle.

Figs. 5 and 6 are two connecting pins, respectively, for uniting panelelements to each other and to the hinge bars.

Figs. 7 and 8 are, respectively, a spacer capable to ensure uniform andconstant thickness of the wall, and a fastening member for said spacersonto the hinge bar of the side shutters.

Fig. 9 illustrates a rod for fixing top members for lintels and the liketo the side shutters.

Fig. l0 is a side elevation of Fig. 9, in assembled position to carrysaid top member.

Fig. 11 is an element similar to that of Fig. 3 but for an externalright angle corner.

Fig. 12 is an element similar to that of Fig. 11 to obtain externalcorners of any suitable angle.

Figs. 13, 14 and 15 show in three different positlons a piececonstituting a part of the elemen of Fig. 11.

Fig. 16 shows in perspective View a wall under construction in which areseen in diierent positions of usage the main elements of the systemaccording to the present invention.

Referring more particularly to the drawings,

there is illustrated in Figs. 1 and 2, a panel element I having twosmooth surfaces destined to come successively in contact with theconcreteV for forming the wall. Each panel element I is connected atboth its sides, at the top and bottom, by hinges to a bar I6 which, tothis end, is

'provided with hinge ears I6 capable of fitting intermediate similarears I1 formed on the edges of said panels I.

Thus bars I6 are T-shaped in cross-section at the locations of thespaced ears I6', whereby the stem of vthe T is hinged to the panelelement at Il, while the outer face of the base or head of the T alignswith the contiguous face (working surface) of the panel element I.Elements I of equal height and of various widths produced in a number ofstandard sizes, may be arranged side by side (Fig. 16), adjacentelements beingconnectable one to the other by means of pins 2v (Fig. 5)insertable into openings I provided for this purpose on either 'side ofpanel elements I. Pins 2 are made resilient over their whole length bytwo longitudinal slots extending almost the entire length of the pin,said slots being perpendicular to each other so as to allow easyengagement 'and disengagement of the pins. Similar pins 3, but smaller(Fig. 6), are employed for uniting bars I6 to elements I, said pins 3being also provided with longitudinal and orthogonal slots to obtainspring action.

In Fig. 7 is shown a spacer formed by a round rod Il provided at bothends with a bore 4', threaded in part only, into which may be screwed anextension portion for the spacers to obtain an overall length accordingto any desired wall thickness, or else screws 6 (Fig. 8) may be used forsecuring said spacers on bars I6. The aforesaid spacers 4 may be coveredwith grease and surrounded with a sleeve 'ofstrongpaperfpaper board, orthe like, in order to allow for easy withdrawal and recovering of saidspacers after the concrete has set. They are the elements which hold inplace panel elements I constituting the shutters, before and after thesetting of concrete.

Element 9, shown in Fig. 3, is constituted by a rigid right angle or bytwo parts forming such an angle, provided with longitudinal andtransverse extension ribs, as well as with locking wings and jointingwings 9' for connection to adjacent panel elements I. Such elements 9are arranged in extension to said panel elements I constituting thesides of a shutter for a wall to be erected in accordance with apredetermined location or point where it is wanted to obtain a corner ofa 3 room or the like. Thanks to suitable holes and correspondingconnecting means, the assembly of such pieces 9 is made quite an easyand quick matter.

The element shown in Fig. 11 is used to obtain external corners; thesame is formed by two panel elements I, flxable in the position shown inFig. 11 by means of piece I3 which is engageable with one of said panelsby means of a protruding pin I3', and with the other panel I by means ofbolt I3". The element of Fig. 12, which serves to obtain externalcorners of any angle, has the two panel elements I, xed on a hingemember I4 by means of bolts I 5.

The element shown in Fig. 4 is formed by two portions I and I0', hingedtogether at 20, and xable in different positions so as to be capable ofconstituting parts of shutters for walls to be erected in correspondenceto internal corners of any angle.

Fig. 9 illustrates a top member constituted by an elongated plate I2,provided with a series of holes for securing the top and bottom edges ofpanel elements I to the structure. More exactly, the same shall beconstituted by a steel strip with shaped ends and threaded holes forconnecting elements II (Fig. l0) to panel elements I, said elements IIbeing formed by a resisting plate and ribbed edges provided with guidingfins and jointing openings, to obtain the horizontal top of window anddoor openings.

More simply, window and door openings may also be obtained by means ofdetachable panel elements 2I, similar to panel elements I, and extendingtransversally thereto, as it is clearly shown in Fig. 16. Such elements2I are hingedly mounted on corresponding bars 2G, which, by means ofpins 26', are secured on bars I6, where it is wanted to obtain aninterruption in the wall as at M. Side panel elements 2| constitute thena part of the shutter, during the placing of a certain number of layers,corresponding to the height of the door or window that it is wanted tobe obtained.

The embodiment of the invention employs other accessory means, such asdouble thread screws, for the connection of spacers 4, as well asoperating levers for the screws of Fig. 8, and for the removal of panelelements I from the structure of concrete placed in them, as well as byspecial screws and bolts for the connection of other parts. It is wellunderstood that means previously described may vary according tonecessity without departing from the spirit of the invention.

The way of usage and assembly of the different elements described abovefor the realization of the construction system is made evident in Fig.16 and is as follows: In correspondence with the outer and innersurfaces of the walls following the plan of a building to be erected,different sizes of panel elements I are employed y for any length ofwall. These panel elements I are vertically assembled parallel andopposite each other, after having been connected at their side edges bymeans of pins 2. Elements, such as 9 and I0 (Figs. 3 and 4) are thenassembled in according to the corners, then the assembly of the twoparallel side shutters is stiifened by bracing them at the desired widthby means of spacers 4 the length of which corresponding to the desiredthickness, of the wall. Such spacers are threaded into and secured inopenings I8 of bars I6 by means of and screws 6. Each spacer is wrappedor surrounded by a sleeve of paper or the like (not shown). A shutterhaving a height equal to that of panel elements I is ready for theplacing and retaining of concrete. After the concrete or any othersimilar mixture has been placed, and after it has set, panel elements Iare loosened and separated from each other and the initial removal ofsaid elements from the concrete structure is performed. Then theelements I are placed upright about the axis of the hinges connectingthem to the upper bar IS and are thus swung 180 degrees to secure themanew in this changed vertical position. Thus the lower bars I6 are foundto have taken an upper position and have to be turned for further 180degrees about the axis of their respective hinges in order to have theirat face disposed towards the inside of the shutter. In Fig. 16 one ofthe panel elements I is shown in an intermediate position, during theupward swing. Thereafter spacers 4 are withdrawn from their protectivesleeves (not shown) which remain in the wall. The removed spacers 4 areagain assembled in position as described above, and inserted into theopenings I8 of bars I6 which are now on top.

Thus the hinges which were before the upper ones, are now the lowerones. Having then loosened the corner elements and the top members, thesame are also raised and secured in new positions similar to thathereinabove explained. There is thus provided a new shutter system intowhich concrete or similar mass may be placed. The aforesaid erectingoperations of the panel elements constituting shutters may be repeateduntil the concrete wall has reached the desired height.

In correspondence to the level of location of the lintels for thedifferent openings, the upper edges of the top elements II are aligned,which may slide vertically by loosening the screws which secure elementsI2 on panel elements I (Fig. 10).

From the preceding description the advantages that may be obtained withsuch a shutter system are quite apparent, it being possible to carry outspecialized masonry, with cheap labor, since the erection of thebuilding is reduced to a series of forced operations easy to beperformed. The new shutter system affords also the possibility oferecting the whole building without the need of costly externalscaffolding, since the horizontal joints as well as the vertical wallsare automatically obtained. It is possible to make use of concretevibrators for the whole building structure and to obtain perfectlysmooth faces without requiring mortar, nishes or other tiresome andcostly finishing operations.

Having thus described the invention, what is claimed as new and desiredto be secured by Letters Patent, is:

1,-A shutter system for use in casting concrete and like material forbuilding purposes comprising in combination a set of panels each havingopposite smooth working surfaces and terminating in a lower and upperlongitudinal edge, elongated horizontal bars for connection with thehorizontal edges of said panels, respectively, spacers extendingtransversely to and interconthe panels, said panels upon swingingmovement thereof about 180 from below to above and relatively to saidhorizontal bars coming to lic with their outer surfaces innermost and inface-to-face relation, said horizontal hinge bars being T-shaped incross section at the locations of said hinge means, each stem of the Tforming part of said hinge means and extending to the respectivehorizontal edge of the panel, the remainder of said hinge bars beingdisposed to extend with one face in the same plane and in alignment withthe contiguous working surface of the respective panel.

2. A shutter system according to claim 1, wherein said spacers areinsertable into openings provded between said stems in said horizontalhinge bars and for removal therefrom.

3. A shutter system according to claim 1, wherein said panels areprovided with smooth vertical side edges and are arranged in side-bysiderelation to each other, and slotted free pins interconnecting saidpanels with each other at adjacent side edges thereof.

4. A shutter system according to claim 1, wherein some of saidhorizontal bars to which said panels are hingedly connected, arearranged in angular relation to the remainder of said bars and panels.

FRANCO FIORUZZI.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES PATENTS Numlber Name Date 1,032,419 Morrill July 16, 19121,117,519 Robertson Nov, 17, 1914 1,478,653 Holmes Dec. 25, 19231,851,399 Miller Mar. 29, 1932 FOREIGN PATENTS Number Country Date 4,635Great Britain of 1884 174,729 Great Britain Feb. 1, 1922 240,376 GreatBritain Oct. 1, 1925

